Ms Vestager admitted the UK’s decision to leave the European Union was affecting the outlook of all 27 member states and urged that “basic values” remain.
Visitng Dublin, the Eurocrat said on CNBC that Ireland would particularly feel the impact due to its location and number of exports to the UK.
The Danish politician said: “I think we all, at least I do, feel the uncertainty coming from present day political situations.
Vestager says Brexit vote is affecting all EU member states
I think we all, at least I do, feel the uncertainty
“That the UK has chosen to leave our community is of course something that causes uncertainty in every member state.
“Probably especially here in Ireland both because of the geographic proximity and because a lot of exports is going to the UK.
“So obviously there is some open questions as to what will happen. Also, in this respect, it is very important that the very basic of our values that big and small, rich and poor are treated the same way, that we honour and put these values into real life.”
Blair and Juncker: Together through the years
Wed, January 25, 2017
Former Prime Minister, Tony Blair and President of the European Commission, Jean-Claude Juncker have always shared a friendly relationship over the years.
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EU Commission President Juncker greets former British PM Blair in Brussels
Last year, SNP deputy leader and MP Stewart Hosie urged Ms Vestager to examine the UK’s £130million tax deal with Google.
She has launched investigations into Google, Amazon and Russian energy giant Gazprom. She has also previously investigated the tax affairs of big companies including Starbucks, Fiat and Apple.